test: add cb error test for fs.close()

Provides some missing test coverage. PR-URL: #29970 Reviewed-By: Jeremiah Senkpiel <[email protected]> Reviewed-By: Rich Trott <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Oct 23, 2019 · b1b8663 · b1b8663
1 parent dc83ff9
commit b1b8663
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/test/parallel/test-fs-close-errors.js b/test/parallel/test-fs-close-errors.js
@@ -17,3 +17,19 @@ const fs = require('fs');
   assert.throws(() => fs.close(input), errObj);
   assert.throws(() => fs.closeSync(input), errObj);
 });
+
+{
+  // Test error when cb is not a function
+  const fd = fs.openSync(__filename, 'r');
+
+  const errObj = {
+    code: 'ERR_INVALID_CALLBACK',
+    name: 'TypeError'
+  };
+
+  ['', false, null, {}, []].forEach((input) => {
+    assert.throws(() => fs.close(fd, input), errObj);
+  });
+
+  fs.closeSync(fd);
+}